Converts mash to use the common non-client frame

ash/mus/bridge/wm_window_mus.cc

Index: ash/mus/bridge/wm_window_mus.cc
diff --git a/ash/mus/bridge/wm_window_mus.cc b/ash/mus/bridge/wm_window_mus.cc
index 1b8db8eca743ac72736fc75a717a0e52cd875fd2..fee32961c931c1258b29605f2ec7b07b6d39627d 100644
--- a/ash/mus/bridge/wm_window_mus.cc
+++ b/ash/mus/bridge/wm_window_mus.cc
@@ -272,7 +272,8 @@ gfx::Rect WmWindowMus::ConvertRectFromScreen(const gfx::Rect& rect) const {
 }
 
 gfx::Size WmWindowMus::GetMinimumSize() const {
-  return widget_ ? widget_->GetMinimumSize() : gfx::Size();
+  return widget_ && !use_empty_minimum_size_ ? widget_->GetMinimumSize()
+                                             : gfx::Size();
 }
 
 gfx::Size WmWindowMus::GetMaximumSize() const {
@@ -356,6 +357,12 @@ void WmWindowMus::SetIntProperty(WmWindowProperty key, int value) {
     return;
   }
 
+  if (key == WmWindowProperty::TOP_VIEW_INSET) {
+    // TODO: need support for TOP_VIEW_INSET: http://crbug.com/615100.
+    NOTIMPLEMENTED();
+    return;
+  }
+
   NOTREACHED();
 }